United Kingdom · 
Who invested in Stability AI?
Stability AI's investors include Y Combinator, Lightspeed Venture Partners, Greycroft, Coatue and Betaworks, and 6 more on record.
2026
?Venture?Venture$76MSeries B
United Kingdom · Series B startup
Who invested in Stability AI
3 rounds we have observed, with the 11 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Raised 2 months agoValuation: $1.0B, Mar 2026
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Funding summaryUpdated 5 Nov 2026
$76Mraised across 3 rounds since 2025, from 3 sources
- Latest round
- Series B, $76MAug 2026
- Investors
- 11
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture Mar 2025
- Biggest round
- $76M Series B · Aug 2026
- Usual gap between rounds
- 13 months the median of 2
The rounds
- Aug 2026Series B$76M6 new
Reported by TechCrunch
- Apr 2026VentureAmount undisclosed5 returning
Source recorded
- Mar 2025VentureAmount undisclosed5 new
Source recorded
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Pacific Alliance VenturesVC firm1round
Sony Music GroupGrowth equity1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 4 firms list Stability AI as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Stability AI
How much has Stability AI raised?
Stability AI has raised $76M across 3 rounds since 2025. 2 rounds did not disclose an amount, so the total is a floor.
When did Stability AI last raise?
Stability AI's most recent round was a Series B of $76M in Aug 2026.
What was Stability AI's biggest round?
Its most recent round, $76M in Aug 2026, is also its largest on record.
Who backed Stability AI first?
Stability AI's first round on record, in Mar 2025, was backed by Y Combinator, Lightspeed Venture Partners and Greycroft and 2 others.
What stage is Stability AI at?
Stability AI's latest named round is a Series B, in Aug 2026.
Where is Stability AI based?
Stability AI is based in the United Kingdom.
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In the same sector, and raised in the last eighteen months.
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